At Long Last

TV duos who finally admitted what fans knew all alongBy Barbara Card Atkinson Special to MSN TVUnresolved romantic tension is hallmark of many great shows, and one of the
elements that keeps fans coming back week after week. As "Castle"
launches its fifth season with (finally!) an actual, in-the-open relationship
brewing, we look back at some of our other favorite romantic couples who
eventually caved and kissed. Because the only thing sweeter than yelling, "Just
kiss already!" at the screen is when they finally do. Bing:More about Nathan Fillion | 'Castle'Excited for the return of "Castle"? Connect and sound off on Facebook and Twitter(ABC)